Nuke the fu&*ers. If the infestation is bad, hitting with water, alcohol, or soapy water won't do a thing. Those remedies are good for minor infestations or for an uptick in spider mites.
Ironically, this weekend's video is about how spider mites are ravaging my Catasetums. I've never had spider mites in my collection during summer, though they can make an appearance during the dry winters. I wasn't really paying attention to spider mite damage and now I'm on the verge of losing plants because they got hit so hard. Seriously. Don't mess around with half measures if the infestation is bad.
There are many non-chemical and chemical treatments that do work, depending on the severity. I'm using Bonide right now, but you can find a ton of products on your local hardware store aisles.
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